Elevation Data for Floodplain Mapping (Repost)

This book shows that there is sufficient two-dimensional "base map imagery" to meet FEMA's flood map modernization goals, but that the three-dimensional "base elevation data" that are needed to determine whether a building should have flood insurance are not adequate. This book makes recommendations for a new national digital elevation data collection program to redress the inadequacy.

Policy makers, property insurance professionals; federal, local, and state governments; and, others concerned with natural disaster prevention and preparedness will find this book of interest.

Contents
SUMMARY
1 INTRODUCTION
1.1 Creating Floodplain Maps
1.2 Origin of This Study
1.3 Statement of Task and Report Structure
1.4 Limitations of This Study
2 FLOO D MAPPING
2.1 Flood Modeling
2.2 Flood Damage
2.3 Flood Mapping
3 FEMA’S MAP MODERNIZATION PROGRAM
3.1 The FEMA Flood Insurance Rate Map
3.2 FEMA Engineering Study Types
3.3 Flood Insurance
3.4 FEMA’s Map Inventory
3.5 FEMA’s Processes and Procedures—1972 to 2002
3.6 FEMA’s Processes and Procedures—2002 to 2006 Flood Map Modernization
3.7 Creation of FEMA’s Five-Year Plan—MHIP
3.8 FEMA’s Method for Risk Determination and Mapping Prioritization
3.9 FEMA Map Quality Standards
3.10 FEMA’s Current Use of Elevation Data
3.11 Bathymetr
3.12 Models for Elevation Data
3.13 DEM Versus TIN Mapping
3.14 Hydro-enforced Streamlines
3.15 Chapter Summary
4 REMOTE SENSING TECHNOLOGIES FOR FLOO DPLAIN MAPPING
4.1 Concepts and Terms
4.2 Photogrammetry
4.3 Light Detection and Ranging
4.4 Interferometric Synthetic Aperture Radar
4.5 Chapter Summary
5 ASSESSMENT OF FLOO DPLAIN MAPPING TECHNOLOGIES
5.1 Observations on FEMA’s Map Modernization Program
5.2 Collection of Orthoimagery Base Maps
5.3 Collection of Digital Elevation Data
5.4 Chapter Summary
6 CONCLUSIONS AND RECOMMENDATIONS
6.1 Adequacy of Base Map and Elevation Information
6.2 Available Mapping Technologies
6.3 Elevation for the Nation
REFERENCES
APPENDIXES
A Biographical Sketches of Committee Members and Staff
B Workshop Agenda and Participants
C Glossary
D Acronyms

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